WO2012074303A2 - Conducteur à deux surfaces destiné à être utilisé en tant que barre omnibus ou câble électrique - Google Patents

Conducteur à deux surfaces destiné à être utilisé en tant que barre omnibus ou câble électrique Download PDF

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Publication number
WO2012074303A2
WO2012074303A2 PCT/KR2011/009248 KR2011009248W WO2012074303A2 WO 2012074303 A2 WO2012074303 A2 WO 2012074303A2 KR 2011009248 W KR2011009248 W KR 2011009248W WO 2012074303 A2 WO2012074303 A2 WO 2012074303A2
Authority
WO
WIPO (PCT)
Prior art keywords
surface conductor
hole
bus bar
conductor
power line
Prior art date
Application number
PCT/KR2011/009248
Other languages
English (en)
Korean (ko)
Other versions
WO2012074303A3 (fr
Inventor
배문자
이동원
Original Assignee
Bae Moon-Ja
Lee Dong-Won
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020100122139A external-priority patent/KR101042301B1/ko
Priority claimed from KR1020110016385A external-priority patent/KR101053214B1/ko
Application filed by Bae Moon-Ja, Lee Dong-Won filed Critical Bae Moon-Ja
Publication of WO2012074303A2 publication Critical patent/WO2012074303A2/fr
Publication of WO2012074303A3 publication Critical patent/WO2012074303A3/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G5/00—Installations of bus-bars
    • H02G5/06—Totally-enclosed installations, e.g. in metal casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B12/00—Superconductive or hyperconductive conductors, cables, or transmission lines
    • H01B12/02—Superconductive or hyperconductive conductors, cables, or transmission lines characterised by their form
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment

Definitions

  • the present invention relates to a double surface conductor that can be used as a bus bar or power line for high voltage and high current by applying a skin effect phenomenon, which is an electromagnetic phenomenon generated during power supply, and having a high surface area and a high current density.
  • bus bars In general, power lines (or cables) have been used in the past as a medium for delivering electrical energy, and bus bars have recently been used as substitutes for power lines.
  • the bus bar is a conductor such as cable, but has an advantage when transferring a large amount of electrical energy.
  • busbars include factories, buildings, apartments, large discount marts, officetels, research complexes, department stores, golf courses, tunnel semiconductors, LCD factories, chemicals, refineries, steelmaking, skyscrapers, ultra-high voltage substations, LNG takeover bases, new airports, ports, etc. It is supplied in various fields in various fields, and such a bus bar is usually provided in a bus duct of a predetermined size because a high voltage current flows.
  • the bus bar is closely sandwiched in a metal housing and sandwiched or air-insulated by heat insulation. Installed to maximize the structure.
  • the bus duct including the high current power line is also a high current product, so if a short circuit accident occurs between busbars due to an insulation accident, a very large short-circuit electromagnetic force is generated by the flowing high current, which may destroy the product itself. have. Therefore, power lines and busbars, which are conductors used at this time, should not only have good electrical characteristics but also have stable mechanical strength.
  • the commercial frequency of 60Hz in Korea even in the low-frequency power system, due to the skin effect, the current density (A / mm2) is most distributed on the conductor surface such as busbar or power line, and the current density is remarkably as it enters the center of the conductor. Falls. That is, the larger the cross-sectional area (mm2), the less the cross-sectional current density because the electricity is only clouded from the surface to the skin depth (Skin Depth), the penetration depth has a lot of difference depending on the frequency.
  • the current or the magnetic field distribution in the conductor is determined by the frequency and the conductivity and permeability of the conductor. The higher the frequency, the higher the conductivity and the more the current and the magnetic field do not exist inside the conductor. This is the phenomenon of concentrated flow, especially in the case of high-frequency alternating current, the current almost flows only on the surface of the conductor.
  • the present invention is to solve the above problems, an object of the present invention by applying the skin effect generated in the bus bar and power line conductors in reverse, in the conductor used in the bus bar and power line, the length of the inside of the surface conductor
  • the present invention provides a double surface conductor for a high voltage and high current, which is used as a bus bar and a power line, in which current density is increased to increase the allowable current value.
  • the present invention is a means for solving the above problems, the first embodiment, in the high-voltage high-current double surface conductor used as a bus bar and power line, the through-hole of the circular or rectangular cross section through the inner center in the longitudinal direction (11) is perforated to have the shape of a cylindrical or square cylinder, and in the case of a rectangular cylinder shape, the surface conductor 10 is chamfered to form a smooth curve of the corner; A curable insulator 20 filled in the through-hole 11 of the surface conductor 10 so that the surface conductor 10 is not contracted, is not crushed by an external impact, and is not contracted; Characterized in that consists of.
  • a through hole 11 having a circular or rectangular cross section penetrating an inner center in a longitudinal direction and the through hole 11 are provided.
  • the through-hole 12 for communicating with the outside in the longitudinal direction has a shape of a cylindrical or square cylinder formed with a perforation, in the case of a rectangular cylinder shape, the surface conductor 10 is chamfered to form a smooth curve of the corners ;
  • the curable insulator 20 is filled in the through-hole 11 and the extension through-hole 12 of the surface conductor 10 so that the surface conductor 10 does not shrink, does not crush even external impact, and does not shrink. ); Characterized in that consists of.
  • a through hole 11 penetrating the inner center in the longitudinal direction and having one side communicating with the outside is formed by 'C.
  • the curable insulator 20 is characterized in that when the voltage applied to the surface conductor 10 is 600V or more, a material of crosslinked polyethylene is used, and when the voltage is 600V or less, a material of polyethylene is used.
  • an insulating coating layer 40 is formed on the outer periphery of the surface conductor 10.
  • the double surface conductor of the present invention when the cross-sectional area of the conductor is the same, the double surface conductor of the present invention has about 1.8 times the surface area of the conductor compared to the conventional single surface conductor, and the thickness of the conductor becomes thin, so that the current density The effect of increasing the allowable current is increased.
  • the double surface conductor of the present invention has the effect that can be produced as a single conductor for large current.
  • the double surface conductor of the present invention has the effect of reducing the installation area and power loss of the bus bar and power line.
  • the double surface conductor of the present invention not only reduces the use of copper, which is a raw material, but also allows a large amount of copper to be reduced in a large amount since the penetration depth is thinner in high frequency applications of 1 KHz or higher, There is an effect that can greatly reduce valuable copper resources.
  • the present invention can be easily transported and handled by the light weight of the conductors used in the bus bar and power line, it is possible to save the purchase cost on the user side, there is an effect that can be applied to various fields such as DC / AC / low frequency / high frequency.
  • FIG. 1 is a perspective view of one embodiment showing the use of a double surface conductor according to the present invention as a bus bar.
  • Figure 2 is a cross-sectional view of the first embodiment showing the internal configuration of a double surface conductor according to the present invention.
  • Figure 3 is a cross-sectional view of a second embodiment showing the internal configuration of a double surface conductor according to the present invention.
  • Figure 4 is a cross-sectional view of a third embodiment showing the internal configuration of a double surface conductor according to the present invention.
  • Figure 5 is a perspective view of one embodiment showing the use of a double surface conductor according to the present invention as a power line.
  • the present invention has the following features to achieve the above object.
  • the double surface conductor for high voltage and high current used as a bus bar and a power line of the present invention is used as a conductor of a bus bar or a power line, and includes a surface conductor 10 and a curable insulator 20, and has three embodiments. .
  • the double surface conductor 30 of the present invention when used as a busbar, as shown in FIG. 1, the double surface conductors 30 of the present invention are spaced apart from each other by a predetermined distance therebetween in the longitudinal direction.
  • the bus bar case 100 having a plurality of double surface conductors 30 to be disposed so as to be arranged in a large number, and a cover 110 detachable on the upper part of the bus bar case 100 should also be provided. something to do.
  • bus bar case 100 and the cover 110 for using the double surface conductor 30 as the bus bar may have various forms according to the embodiment of the user.
  • the surface conductor 10 is a through-hole 11 is formed in the longitudinal direction in the inner center, the through-hole 11 is formed in the surface conductor 10, the surface conductor 10 is It will have a hollow or tubular shape inside.
  • the reason for puncturing the center of the surface conductor 10 is as described in the background art and the problem to be solved of the present invention, since the heat dissipation is less and the current density is lower toward the center of the surface conductor 10. In this case, the center of the surface conductor 10 is removed.
  • the perforated shape of the through-hole 11 is to be perforated to form a cross section of a circular or square.
  • the through-hole 11 is formed in the perforated surface conductor 10 also has the shape of a cylindrical or square cylinder, when the surface conductor 10 is a rectangular cylindrical shape, the edge portion (outer peripheral surface) of the surface conductor 10 And both the outer circumferential surface) so as to chamfer (R) all the corners to form a gentle curve without forming a right angle.
  • the curable insulator 20 is filled in the inside of the surface conductor 10, that is, the through hole 11, the curable insulator 20 is filled in the through hole 11 in the surface conductor 10. While electrically insulating the inside of the surface conductor 10 completely and preventing damage and crushing of the shape of the surface conductor 10 due to external impact, the double surface conductor 30 of the present invention can be used in various places. The surface conductor 10 is not to shrink when installed or fixed.
  • such a curable insulator 20 is when the double surface conductor 30 itself contracts and the inner surface of the surface conductor 10 is in contact with each other (when the surface conductor 10 is a rectangular tube shape, on the inner circumferential surface, lower or left , The right-hand contact, when the surface conductor 10 is a cylindrical shape, the circular through-hole 11 is pressed in an elliptical shape and folded in half so that the inner surface is in contact), the through-hole inside the surface conductor 10 Since the effect of expanding the surface area of the surface conductor 10 (or the double surface conductor 30 of the present invention) by forming the (11) becomes insignificant, it hardens so that the inside of the surface conductor 10 is folded and not in contact. Fill the castle insulator 20 so that there is no gap in the through-hole 11 at all. (It is obvious that the same applies to the curable insulator 20 of the second and third embodiments to be described later.)
  • the surface conductor 10 has a cylindrical or tubular shape in which the inside is hollowed by forming a through hole 11 having a circular or rectangular cross-sectional shape in the longitudinal direction therein. .
  • the surface conductor 10 also has a cylindrical or square cylinder shape.
  • each edge of the surface conductor 10 should be chamfered to form a gentle curve as in the first embodiment.
  • the second embodiment is different from the first embodiment in addition to the through hole (11).
  • the through hole 11 is further formed to penetrate the through hole 12 to communicate with the outside in the longitudinal direction.
  • the through-hole 11 is formed in the longitudinal direction inside the surface conductor 10, but the through-hole 12 extends in the longitudinal direction on one side of the through-hole 11, thereby forming the through-hole.
  • the hole 11 communicates with the extending through hole 12.
  • the extending through hole 12 communicates the through hole 11 and the outside of the surface conductor 10 with each other, and only the surface conductor 10 is desired.
  • the outer circumference of the surface conductor 10 has a form cut in the longitudinal direction.
  • the surface area of the surface conductor 10 is wider than that of the first embodiment, and the cross-sectional area is smaller, resulting in more skin effect. It doesn't work.
  • the curable insulator 20 used in the second embodiment is firmly filled in both the through hole 11 and the extended through hole 12, thereby providing the inside of the surface conductor 10 (through hole 11 and extended through hole 12). )) Is folded and not in contact.
  • the through hole 11 is formed in the surface conductor 10 in the longitudinal direction from the inner center, so that one side of the through hole 11 communicates directly with the outside of the surface conductor 10 when penetrating the through hole 11.
  • the surface conductor 10 is to have a 'C' or 'c' cross-sectional shape, when the surface conductor 10 has a 'c' cross-sectional shape so that each corner forms a gentle curve Naturally, it should be chamfered.
  • the curable insulator 20 of the third embodiment is filled in the interior of the surface conductor 10, and is firmly filled in the through hole 11 of the third embodiment, so that the inside of the surface conductor 10 (through hole 11) is filled. Do not fold and touch.
  • the through-hole 11 inside the surface conductor 10 increases the surface area, decreases the cross-sectional area, becomes thinner than the conventional single conductor, and the second embodiment.
  • the surface area is increased, the cross-sectional area is reduced, and the thickness is thinner than in the first embodiment, which is why As the skin effect is reduced, the current density is increased and the allowable current value is increased.
  • the copper material used for such a double surface conductor 30 of the present invention will also produce an effect that can be manufactured using relatively less than the amount of copper material used in the conventional single conductor.
  • the double surface conductor 30 of the present invention can be used as a bus bar and a power line, as described above, by applying a rectangular cylindrical shape of the double surface conductor 30 to the bus bar, and applying a cylindrical shape to the power line It would be a right embodiment to use, but this can be changed by the user's choice.
  • the double surface conductor 30 of the present invention as shown in Fig. 5 (B), the insulating coating layer 40 made of a material such as rubber, the electric current is not applied to the outer periphery or the outer peripheral surface of the surface conductor 10 ) May be applied and formed.
  • the curable insulator 20 of the present invention used in the first, second, and third embodiments described above may be applied to the surface conductor 10 (or the double surface conductor 30) at a high voltage of 600 V or more.
  • Cross-linking polyethylene XLPE
  • PE polyethylene
  • 600V or higher is divided into high voltage and lower voltage is divided into low pressure on the basis of AC 600V.

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  • Insulated Conductors (AREA)
  • Gas-Insulated Switchgears (AREA)

Abstract

La présente invention concerne un conducteur à deux surfaces pour haute tension et haute intensité, destiné à être utilisé en tant que barre omnibus ou câble électrique. Plus particulièrement, dans ledit conducteur à deux surfaces pour haute tension et haute intensité destiné à être utilisé en tant que barre omnibus ou câble électrique, un trou débouchant, qui possède une surface de section transversale circulaire ou rectangulaire, pénètre, dans le sens de la longueur, à l'intérieur d'un conducteur de surface cylindrique ou rectangulaire cylindrique, ou, en variante, un prolongement du trou débouchant pénètre à l'intérieur du conducteur de surface dans le sens de la longueur conjointement avec le trou débouchant pour permettre au trou débouchant de communiquer avec l'extérieur, ou, en variante, un prolongement du trou débouchant pénètre à l'intérieur du conducteur de surface pour permettre au conducteur de surface de présenter une section transversale en forme de C ou de C carré, et ledit trou débouchant et ledit trou débouchant allongé sont remplis en utilisant un matériau d'isolation durcissable pour ainsi former un conducteur à deux surfaces. Ainsi, la superficie du conducteur de surface augmente, sa superficie de section transversale diminue et son épaisseur est réduite pour ainsi augmenter la densité de courant et le courant admissible.
PCT/KR2011/009248 2010-12-02 2011-12-01 Conducteur à deux surfaces destiné à être utilisé en tant que barre omnibus ou câble électrique WO2012074303A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020100122139A KR101042301B1 (ko) 2010-12-02 2010-12-02 버스바 및 전력선으로 사용되는 고압 대전류용 이중표면도체
KR10-2010-0122139 2010-12-02
KR1020110016385A KR101053214B1 (ko) 2011-02-24 2011-02-24 버스바로 사용되는 고압 대전류용 이중표면도체
KR10-2011-0016385 2011-02-24

Publications (2)

Publication Number Publication Date
WO2012074303A2 true WO2012074303A2 (fr) 2012-06-07
WO2012074303A3 WO2012074303A3 (fr) 2012-09-07

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PCT/KR2011/009248 WO2012074303A2 (fr) 2010-12-02 2011-12-01 Conducteur à deux surfaces destiné à être utilisé en tant que barre omnibus ou câble électrique

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104269794A (zh) * 2014-09-12 2015-01-07 中国能源建设集团镇江华东电力设备制造厂 全绝缘浇注母线
CN104836176A (zh) * 2015-04-20 2015-08-12 江苏巴斯威节能科技有限公司 一种24千伏节能型火山岩无机矿物质全浇注母线

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4675622A (en) * 1984-05-02 1987-06-23 Keiichiro Taya Coaxial cable including an induction cable
JP2004187335A (ja) * 2002-11-29 2004-07-02 Toyota Motor Corp 管型バスバー及び座金
KR20100058193A (ko) * 2008-11-24 2010-06-03 엘에스전선 주식회사 비틀림 내구성이 우수한 풍력 발전기용 전력 케이블 및 그 제조 방법
JP2010262803A (ja) * 2009-05-01 2010-11-18 Hitachi Cable Ltd 絶縁形成物及びバスバー

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4675622A (en) * 1984-05-02 1987-06-23 Keiichiro Taya Coaxial cable including an induction cable
JP2004187335A (ja) * 2002-11-29 2004-07-02 Toyota Motor Corp 管型バスバー及び座金
KR20100058193A (ko) * 2008-11-24 2010-06-03 엘에스전선 주식회사 비틀림 내구성이 우수한 풍력 발전기용 전력 케이블 및 그 제조 방법
JP2010262803A (ja) * 2009-05-01 2010-11-18 Hitachi Cable Ltd 絶縁形成物及びバスバー

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104269794A (zh) * 2014-09-12 2015-01-07 中国能源建设集团镇江华东电力设备制造厂 全绝缘浇注母线
CN104836176A (zh) * 2015-04-20 2015-08-12 江苏巴斯威节能科技有限公司 一种24千伏节能型火山岩无机矿物质全浇注母线

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